Παραπομπή σε μορφή APA (7η εκδ.)

Ajayi, O. (1981). Interactions between Barley Yellow Dwarf virus, aphids and Cladosporium on cereals. University of London.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ajayi, Olupomi. Interactions Between Barley Yellow Dwarf Virus, Aphids and Cladosporium on Cereals. University of London, 1981.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ajayi, Olupomi. Interactions Between Barley Yellow Dwarf Virus, Aphids and Cladosporium on Cereals. University of London, 1981.